[SEL] V12 GMC electrical question

[bill at antique-engines.com]

Good points - the bypass is usually handled by the starter solenoid -
giving full "battery voltage" during cranking to increase spark intensity
while the starter is pulling the battery voltage down.

So, perhaps one resister COULD run two coils - I bet the thing wouldn't
run so hot then while running. They DO get hot normally, that's why they
are ceramic and typically mounted "in the clear".

Bill

> Bill, the purpose of the resistor is to reduce current across the points,
> increasing point life. The resistor will get hot. One should work for both
> coils because only one coil can fire at a time. Leaving the switch on with
> the engine stopped will allow a dead draw across the resistor if the
> points are closed, with twelve cylinders this is quite likely. Some
> vehicles had a bypass wire to supply battery voltage to the coil while
> cranking, the starter pulls voltage down, this compensates.
> J.B. Castagnos
> Belle Rose, LA
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